TrolMaster Drop-in/inline Heavy Duty Nutrient pH Sensor (PPH-3) RootSpa High-output 12-inch exhaust fan for

High-output 12-inch exhaust fan for grow rooms and greenhouses

plus the Lil Boss and Lil Boss Deluxe

cleaner environment where you can breathe easier and reduce the potential for allergic reactions

Durable Build: Die-cast unibody

Low power consumption

TrolMaster Drop-in/inline Heavy Duty Nutrient pH Sensor (PPH-3) RootSpa High-output 12-inch exhaust fan forTrolMaster Drop in inline Heavy Duty Nutrient pH Sensor (PPH 3) The PPH 3 has an improved sensor element for more stable and reliable performance. Can be used with the AMP 2 or the AMP 3 nutrient sensor module. *All pH probes must be stored by using the storage cap and the correct probe storage solution. If a pH probe gets completely dried out, they will no longer function correctly. Any pH probe returned without the cap and in a "dry" state" will not